1blind 
/ˈblaɪnd/ adjective
blind·er; blind·est /ˈblaɪnd/ adjective 1 : unable to see
▪ a blind person ▪ He was born blind. ▪ She is blind in one eye. [=she can see with one of her eyes but not with the other] ▪ She went blind [=she became unable to see] at age 67. — see also color-blind 2 : unable to notice or judge something — usually + to ▪ He is blind to his son's faults. ▪ Each party was blind to the other's concerns. 3 a usually disapproving : accepting the actions or decisions of someone or something without any questions or criticism
▪ blind loyalty/allegiance/obedience ▪ I'm not sure blind faith [=unquestioning belief] in our leaders is wise.
b — used to describe strong emotions that make someone unable to think clearly or to act reasonably ▪ a blind fury/rage 4 : done in a way that prevents participants, judges, etc., from seeing or knowing certain things that might influence them
▪ a blind taste test [=a test in which people taste something without knowing what it is, who made it, etc.] ▪ a blind clinical trial for the new medicine ▪ blind auditions — see also blind date, double-blind 5 : difficult for a driver to see
▪ a blind driveway/drive ▪ a blind curve — see also blind spot
▪ a blind person ▪ He was born blind. ▪ She is blind in one eye. [=she can see with one of her eyes but not with the other] ▪ She went blind [=she became unable to see] at age 67. — see also color-blind
▪ blind loyalty/allegiance/obedience ▪ I'm not sure blind faith [=unquestioning belief] in our leaders is wise.
b — used to describe strong emotions that make someone unable to think clearly or to act reasonably ▪ a blind fury/rage
▪ a blind taste test [=a test in which people taste something without knowing what it is, who made it, etc.] ▪ a blind clinical trial for the new medicine ▪ blind auditions — see also blind date, double-blind
▪ a blind driveway/drive ▪ a blind curve — see also blind spot
(as) blind as a bat
informal : unable to see well at all : having very poor vision
▪ Without glasses I'm blind as a bat.
▪ Without glasses I'm blind as a bat.
love is blind — see 1love
not a blind bit
Brit, informal : not even a very small amount : not the slightest bit
▪ I told them what I wanted, but they didn't take a blind bit of notice. [=they didn't notice at all; they did not listen to me] ▪ It does not make a blind bit of difference what you do. [=it does not matter at all what you do]
▪ I told them what I wanted, but they didn't take a blind bit of notice. [=they didn't notice at all; they did not listen to me] ▪ It does not make a blind bit of difference what you do. [=it does not matter at all what you do]
the blind
: blind people : people who are not able to see
▪ The agency provides assistance to the blind. ◊The expression the blind leading the blind is used informally to describe a situation in which someone who is not sure about how to do something is helping another person who also is not sure about how to do it.
▪ I'll try to help, but it's the blind leading the blind because I've never done this before either.
▪ The agency provides assistance to the blind. ◊The expression the blind leading the blind is used informally to describe a situation in which someone who is not sure about how to do something is helping another person who also is not sure about how to do it.
▪ I'll try to help, but it's the blind leading the blind because I've never done this before either.
turn a blind eye
: to ignore a problem instead of dealing with it
▪ Corruption in the police force is rampant, but authorities are turning a blind eye. — often + to ▪ Colleges can't afford to turn a blind eye to alcohol abuse.
▪ Corruption in the police force is rampant, but authorities are turning a blind eye. — often + to ▪ Colleges can't afford to turn a blind eye to alcohol abuse.
— blind·ness noun [noncount]
▪ a leading cause of blindness
▪ a leading cause of blindness
